move a bunch of imports into TYPE_CHECKING blocks

These are only used for type checking, so don't bother importing them at
runtime.

Generally add future annotations at the same time, to make sure that
existing uses of these imports don't need to be quoted.

1 files changed, 6 insertions, 1 deletions

diff --git a/mesonbuild/interpreterbase/disabler.py b/mesonbuild/interpreterbase/disabler.py
index 63b914e..182bb62 100644
--- a/mesonbuild/interpreterbase/disabler.py
+++ b/mesonbuild/interpreterbase/disabler.py
@@ -11,10 +11,15 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+from __future__ import annotations
 
-from .baseobjects import MesonInterpreterObject, TYPE_var, TYPE_kwargs
 import typing as T
 
+from .baseobjects import MesonInterpreterObject
+
+if T.TYPE_CHECKING:
+    from .baseobjects import TYPE_var, TYPE_kwargs
+
 class Disabler(MesonInterpreterObject):
     def method_call(self, method_name: str, args: T.List[TYPE_var], kwargs: TYPE_kwargs) -> TYPE_var:
         if method_name == 'found':